Embroidering machine



F. B. BAKER.

EMBROIDERING MACHINE.

APPLICATION men APR. 20. 1920.

1,409,903, Patented Mar. 21,1922. F i g.1

514A) eM-foa UNITED STATES PATENT OFFICE.

FENNER B. BAKER, or NEW YORK, N. Y., ASSIGNOR, BY manor ANDMESNE ASSIGN- MENTS, TO ART NEEDLE MANUFACTURING 00., me, on NEW YOR Y.', A cor:r

PORATION OF NEW YORK.

EMBBOIDERING MACHINE.

" Specificationfof Letters Patent." Patentedh1g1". 21; 1922.

-App1ication;filed April 20,4920. seriaru 375,312.

To aZZ whom it may concern: i Be it knownthat I, FENzNE-R B. BAKER, a

. citizen of; the United States, residing at New useful Embroidering. Machine, of which the following is aspecification.

My invention relates to a practical and inexpensive device for embroidering orworking raised designs inthread upon afabric. I

. .holder within which there is mounted a reciprocating tubular needletube; and a special I vcreature of the invention resides int-he .pro-

;viding of a tension devicewhich operates as the needle is withdrawnufrom the fabric on.

one-side of the ;loop of thread which the needle 'has just previously carried through the fabric This renders-the loop-forming 210- tion of the needle uniform andeven.. For ..the purpose of varying the size or.formation of the loops thus produced by the needle, the V invention contemplates theprovision of means for-varyin the stroke oft-he needle-- this formation is to cause the needle to step tube and hence thz needle.

The tensioning device is in the form of a in the curved grooved needlesThe effect of forward to the extent of the curve each time the fabric ispierced and so produces an au-' tOlIliltlC and natural feeding action of the de-' vice over the fabric.

needle tube forming part of anembroidery i needle, constructed in accordance with my invention. 1

Other novel features of the invention. will;-

appear as the specification proceeds.

..The accompanying drawings illustrate in concrete form a practical embodiment of the invention'but it will be understood that various changes and modifications may be. made without departing from the true scope and spirit of the invention.

Figure 1 is a view in side elevation of the degrees from rthe position shown in the first .iigure.

vFigure?) is afragmentary View in elevation of the needle end of the stem.

Figure .4 is a viewin side elevation of the 'holderportion.

,Figureo 1s a-transverse SBGtlOIL taken on the line.5 5 of Figure l. The iIIVGIItiOI1.JCODSlStS- in general of a FigureG is a View in end elevation of the .holder.

igure .7 isaview i sideelevation of a modified form of holder.

. Figure 8 is. asiniilar view of the same part rotated through an angle ofninety degrees 7 from. the position shown in they immediate preceding figure.

Figure 9 is an end View of the modified holder.

.agfoot 12 tolbearupon thefabric. The nee i dletubeor stem isv shown as a hollow-tubular member Figs. '1 andQslidably-engaged in the holder so as to reciprocate therein; The needle part of this stem can be made detachable as Fig.3 showsandarranged to slide into the stem orthe needleand stem can be constructed asone piece as in Fig. 2. The

needle tube is held-against turning in the holder. by a cut-out 3.0fFig. 2wh'ich. engages the screws shown in Fig. 10, which are employed inthe series of holes 11 of the guard Fig. et.

-.The upward stroke of the needletube is limited by -..shoulder 4 ofcut-out 3 in Fig. 2 coming in contact -witl1 one of the screws shown in Fig. 10 employed in the lower hole 11 in- Fig. 4. .The downward stroke of then'eedle tube and hence the active stroke of the needle is governed by the shoulder -.5 of .cut-out 31coming in contact with one of the screws of Fig. employed in one of the to holes at 11 in Fig. 4..

The needle tu e is reciprocated by a collar or sleeve shown in Fig. 11. This collar is the collar in the downward drive of the needle. Eight is a lip cut from needle tube and forms a stop for the collarin the upward drive of the needle. Eight also is employed in the principles of mytension as Iwill show in the following explanation:

My tension 15 established by lip 8, the unique position of the thread hole 6 through which'the thread passes and the sleeve of Fi 11; i

The thread passing through the hole 6 (which is immediately under the lip 83) is engaged and clamped by the sleeve when it comes in contact with the 1i 8 as the sleeve draws the needle from the fa ric thereby applying an intermittent tension to the threads which 0 crates in time with the movement of theneele. i i

Fig. 2, at 1, shows a grooved curved needle. The effect of this curved grooved needle is to cause the needle to step forward each time the fabric is pierced. The unique con struction of this needle as shown in Figs 1 and 3 includes a thread hole 2 which maintains in alignment the thread leading down the groove of the needle to and through the eye. Apparently, the movement of with- .35

drawing the needle from the fabric would step the device backward to a distance equal to the ste forward accomplished by a down ward stro e of the needle without the accom plishment of any forward travel of the device to secure a stitching operation. as a matter of fact and in actual practice the friction between the presser foot of the holder and the fabric is such that the withdrawal of the needle from the fabric while causing a rearward movement of the device does not move the device rearward to a distance equal to the forward movement caused by the insertion of the needle but slightly less, and consequently through repeated reciprocations of the needle there will ensue a resultant forward motion of the entire device combined with slight oscillations of the presser foot on the fabric but slightly greater in its forward motion than in its rearward motion.

The operation of the'device, that is the production of the step by step stitching movement is also due partly to the fact that upon the downward movement of the needle it is necessary for the same to pierce the fabric and thus considerable resistance to the side thrust as well as the down thrust of the needle is encountered, which tends to push the whole device forward. On the other hand, as the needle is being withdrawn, the

But,

"part thereof, a member supported by the holding means for reciprocation, a needle forming part of the member, and having a perforation through which a thread may be inserted, said needle being curved so that upon repeated penetrations and withdrawals of the needle into and from a fabric the entire device will be fed along the fabric in a direction facing the concave side of the needle forming a tufted stitch.

2. An embroidery needle including a holder, a presser foot formed thereon for support upon the fabric, a member mounted on the holder for reciprocation, a curved needle mounted on the member for movement adjacent the press'er foot, said needlehavin an eye near its point to receive a threa whereby alternate insertions andwithdrawals of the needle into and from the fabric will form thread tufts in the fabric and whereby the curvature of the needle combined with frictional engagement of the presser foot on the fabric will result in a forward travel of the device in the direction of the concave side of the needle, and a thread gripping device operable upon withdrawal of the needle to grip the thread;

3. An embroidery needle including a tubular holder, a presser foot formed on one end, a stem slidable in the holder, a needle at one end of the stem, means for limiting the amount of movement of the stem, relative to the holder, said needle being curved and perforated and said stem having a perforation, a lip'on the stem. adj acent'the perforation thereof, a sleeve surrounding the stem, and a stop member limiting sliding movement between said sleeve and the lip.

4. An embroidery needle including a tubular holder, a tubular stem inserted therein for reciprocation, a needle formed on one end of the stem by reducing and cuttingaway said stem and subsequently forming the needle with a longitudinal groove, said needle being curved and having an eye at its point, means for limiting movement of the stem, a prsser foot on the holder, and a thread gripping means on the stem.

5. An embroidery needle including a tu egressing through the other perforation and through the needle, and a sleeve surrounding the stem to be grasped when the device is operated so that upward movement of the 15 sleeve will grip the thread between the end of the sleeve and the lip.

FENNER B. BAKER.

WVitnesses:

MYER KELLER, WM. J. MILLER, 

